1611316073 has 2 divisors, whose sum is σ = 1611316074. Its totient is φ = 1611316072.

The previous prime is 1611316061. The next prime is 1611316097. The reversal of 1611316073 is 3706131161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1268214544 + 343101529 = 35612^2 + 18523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1611316073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1611316043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805658036 + 805658037.

It is an arithmetic number, because the mean of its divisors is an integer number (805658037).

Almost surely, 2^1611316073 is an apocalyptic number.

It is an amenable number.

1611316073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611316073 is an equidigital number, since it uses as much as digits as its factorization.

1611316073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1611316073 is about 40141.2016885394. The cubic root of 1611316073 is about 1172.3579866886.

The spelling of 1611316073 in words is "one billion, six hundred eleven million, three hundred sixteen thousand, seventy-three".